Datasheet Texas Instruments SN74LVC8T245PWE4 — 数据表

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SCES584B – JUNE 2005 – REVISED NOVEMBER 2014 SN74LVC8T245 8-Bit Dual-Supply Bus Transceiver With
Configurable Voltage Translation and 3-State Outputs
1 Features 3 Description This 8-bit noninverting bus transceiver uses two
separate configurable power-supply rails. The
SN74LVC8T245 is optimized to operate with VCCA
and VCCB set at 1.65 V to 5.5 V. The A port is
designed to track VCCA. VCCA accepts any supply
voltage from 1.65 V to 5.5 V. The B port is designed
to track VCCB. VCCB accepts any supply voltage from
1.65 V to 5.5 V. This allows for universal low-voltage
bidirectional translation between any of the 1.8-V,
2.5-V, 3.3-V, and 5.5-V voltage nodes. 1 Control Inputs VIH/VIL Levels Are Referenced to
VCCA Voltage
VCC Isolation Feature – If Either VCC Input Is at
GND, All Are in the High-Impedance State
Fully Configurable Dual-Rail Design Allows Each
Port to Operate Over the Full 1.65-V to 5.5-V …